Revert "omap-hsmmc: Prevent possible race condition"

This reverts commit 1db70565494809bf67e99969f95fbf0750ceab1a.
Revert "USB: OHCI: do not poll root hub status if HC is not running"

This reverts commit 3232cae99b9624a3f0e9596e8db55996f07067b9.
Revert "OMAP4430/60: EMIF: errata: Prohibit usage of Power-Down mode"

This reverts commit b40e500e1048cd5a242e137187c9329eb3225f80.